Technical Tip: How to identify RAID controller failure on FortiAnalyzer hardware appliances

[lingky88]

Description	This article describes how to identify RAID controller failure on FortiAnalyzer hardware appliances.
Scope	FortiAnalyzer.
Solution	In most cases, when an on-prem device is a hardware appliance and logs are no longer present under Log View, one of the first things to check is the RAID status. Here, the result shows that the RAID & disk statuses are unavailable. Also, the FortiAnalyzer is unable to detect the hardware information of the RAID controller. diagnose system raid status Mega RAID: RAID Level: Unavailable RAID Status: Unavailable RAID Size: 0GB File System: ext4 200144GB Disk  0:  Unavailable        0GB Disk  1:  Unavailable        0GB Disk  2:  Unavailable        0GB Disk  3:  Unavailable        0GB Disk  4:  Unavailable        0GB Disk  5:  Unavailable        0GB Disk  6:  Unavailable        0GB Disk  7:  Unavailable        0GB Disk  8:  Unavailable        0GB Disk  9:  Unavailable        0GB Disk 10:  Unavailable        0GB ... ... ... diag system raid hwinfo Exit Code: 0x00 Exit Code: 0x00 Exit Code: 0x00 To further check, the RAID Management Pane under System Settings will not be present in the FortiAnalyzer GUI. Non-working Scenario:  Working Scenario: When viewing the list of valid RAID levels, the output is blank. Also, when attempting to format the RAID, it presents an invalid RAID level error. execute format disk * Valid RAID levels: execute format disk 50 Invalid RAID level: 50 Valid RAID levels: Here are a few tips to troubleshoot the issue: Perform a reboot on the device. Perform a power cycle on the device and collect the console logs. Connect a monitor & keyboard to the device and access the BIOS. If the RAID's status is still Unavailable, the issue is a RAID Controller hardware failure and a ticket can be opened to initiate the hardware replacement process. Related article: Technical Tip: How to restore a physical RAID storage with all logs on FortiAnalyzer.